Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Grottoes, Virginia, is an icy winter month, with temperature in the range of an average high of 39°F (3.9°C) and an average low of 24.3°F (-4.3°C). January, on average, is the coldest month, registering a high temperature of 39°F (3.9°C) and a low of 24.3°F (-4.3°C). Weather in January »
Weather in February
February, the last month of the winter in Grottoes, is a chilly month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 27°F (-2.8°C). February's commencement is accompanied by an average high-temperature of a frosty 44.2°F (6.8°C), diverging marginally from January's 39°F (3.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Grottoes, Virginia, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 33.3°F (0.7°C). The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a chilly 44.2°F (6.8°C) in February to a fresh 51.4°F (10.8°C). Weather in March »
Weather in April
April is a comfortable spring month in Grottoes, Virginia, with an average temperature fluctuating between 63.5°F (17.5°C) and 43°F (6.1°C). Grottoes, Virginia, in April sees a temperature change, with average high-temperatures moving from a cool 51.4°F (10.8°C) in March to a comfortable 63.5°F (17.5°C). Weather in April »
Weather in May
May, the last month of the spring in Grottoes, is a pleasant month, with temperature in the range of an average high of 72.9°F (22.7°C) and an average low of 51.8°F (11°C). With the transition into May, Grottoes experiences an increase in average high-temperatures, moving up from a comfortable 63.5°F (17.5°C) in April to a pleasant 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Grottoes, is a moderately hot month, with an average temperature varying between 80.6°F (27°C) and 58.5°F (14.7°C). June showcases a minor temperature ascent, adjusting from May's pleasant 72.9°F (22.7°C) to a warm 80.6°F (27°C). Weather in June »
Weather in July
July, like June, in Grottoes, Virginia, is a moderately hot summer month, with an average temperature ranging between min 62.2°F (16.8°C) and max 84.6°F (29.2°C). Grottoes reaches its highest average temperatures in July, measuring 84.6°F (29.2°C) at the peak and 62.2°F (16.8°C) at the lowest. For July, the heat index is estimated at a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Grottoes, Virginia, with an average temperature ranging between max 82.9°F (28.3°C) and min 60.6°F (15.9°C). The unfolding of August shows an average high-temperature of a still warm 82.9°F (28.3°C), indicating a slight variance from July's 84.6°F (29.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Grottoes, is still a warm month, with an average temperature fluctuating between 76.1°F (24.5°C) and 55.6°F (13.1°C). In Grottoes, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 82.9°F (28.3°C) to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in Grottoes, Virginia, is another enjoyable autumn month, with an average temperature varying between 64.4°F (18°C) and 45.3°F (7.4°C). The shift to October brings a decrease in the average high-temperature, falling from a moderately hot 76.1°F (24.5°C) in September to a comfortable 64.4°F (18°C). Weather in October »
Weather in November
November, the last month of the autumn in Grottoes, is another cool month, with an average temperature fluctuating between 34.3°F (1.3°C) and 52.5°F (11.4°C). The beginning of November marks a decrease in the average high-temperature, transitioning from an enjoyable 64.4°F (18°C) in October to a cool 52.5°F (11.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Grottoes, Virginia, with an average temperature fluctuating between 44.1°F (6.7°C) and 30°F (-1.1°C). The advent of December brings a subtle shift in temperature, with the average high moving from a cool 52.5°F (11.4°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Grottoes?
January stands out as Grottoes's coldest month, with an average high-temperature of 39°F (3.9°C) and a low-temperature of 24.3°F (-4.3°C).
What are the least humid months in Grottoes?
The months with the lowest humidity in Grottoes are January, June and July, with an average relative humidity of 74%.
What is the driest month in Grottoes?
The month with the least rainfall is January, when the rain falls for 9.9 days and typically collects 1.89" (48mm) of precipitation.
How much does it rain in Grottoes?
In Grottoes, Virginia, during the entire year, the rain falls for 164.3 days and collects up to 30.08" (764mm) of precipitation.
When does it snow in Grottoes?
Months with snowfall in Grottoes are January through May, October through December.
How much does it snow in Grottoes?
Throughout the year, in Grottoes, Virginia, there are 21.7 snowfall days, and 16.69" (424mm) of snow is accumulated.
When is the lowest UV index in Grottoes?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month in Grottoes?
The month with the most snowfall in Grottoes is March, when snow falls for 4.8 days and typically aggregates up to 4.53" (115mm) of snow.
When is Daylight Saving Time (DST) in Grottoes?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the most humid month in Grottoes?
The months with the highest humidity are May, September and October, with an average relative humidity of 78%.
What is the wettest month in Grottoes?
May is the month with the most rainfall. Rain falls for 18.8 days and accumulates 3.27" (83mm) of precipitation.
What is the month with the highest UV index in Grottoes?
The months with the highest UV index in Grottoes, Virginia, are May through July, with an average maximum UV index of 6.
When it does not snow in Grottoes?
June through September are months without snowfall.
When are the longest days in Grottoes?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What month is the hottest in Grottoes?
In Grottoes, Virginia, the average temperatures in July are the highest, with a peak at 84.6°F (29.2°C) and a low of 62.2°F (16.8°C).
What month has the most sunshine in Grottoes?
With an average of 10.6h of sunshine, July has the most sunshine of the year in Grottoes.
What is the month with the shortest days in Grottoes?
With an average of 9h and 36min of daylight, December has the shortest days of the year in Grottoes, Virginia.
What is the month with the least sunshine in Grottoes?
With an average of 5.3h of sunshine, December has the least sunshine of the year in Grottoes, Virginia.
Average temperature
Grottoes, VA
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Grottoes, VA
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
30.01"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed
Grottoes, VA
- Average wind speed in January:
6.3mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.5mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.5mph - Average wind speed in June:
5mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.3mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.5mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity
Grottoes, VA
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January, June and July (74%).
Average rainfall
Grottoes, VA
- Average rainfall in January:
1.89" - Average rainfall in February:
2.01" - Average rainfall in March:
2.32" - Average rainfall in April:
3.19" - Average rainfall in May:
3.27" - Average rainfall in June:
2.72"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days
Grottoes, VA
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall
Grottoes, VA
- Average snowfall in January:
3.66" - Average snowfall in February:
4.09" - Average snowfall in March:
4.53" - Average snowfall in April:
0.55" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is March (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grottoes, VA
- Average snowfall days in January:
6 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3.3 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grottoes, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 4min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days
Grottoes, VA
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Grottoes, VA
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Grottoes, VA
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility
Grottoes, VA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Grottoes, Virginia, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
